62results about How to "Flexible and accurate adjustment" patented technology

The invention discloses a detachable electromagnetic blank-holding deep-drawing die and a blank-holding force control method, comprising a sheet metal deep-drawing system, an electromagnetic blank-holding system and an excitation current control system. The die in the mold is fixed on the lower die base by set screws; the sheet material is placed in the groove of the limit plate; It is fixed on the upper mold base; the combined blank holder is composed of a detachable connecting plate and a blank holder. The combined blank holder is matched with the magnetic force ring, and is fastened by two sets of inner and outer set bolts which are staggered and evenly distributed along the circumferential direction. The inner edge of the magnetic guide ring is provided with a lap interface that matches the combined blank holder, and the upper end of the fixed ring is provided with a groove to place the electromagnetic coil; for the precise control of the excitation current in the electromagnetic coil, the designed controllable DC The power supply provides adjustable excitation current to the electromagnetic coil to achieve this. The deep-drawing die of the present invention can apply precise and controllable blank-holding force to the flange part of the sheet during the deep-drawing process, and the connecting plate is designed to be detachable so that the mold can be easily replaced, and the conversion between electromagnetic force and blank-holding force responds quickly , can also reduce production costs and improve production efficiency.

The invention provides an image processing method and a user terminal, wherein the image processing method includes: displaying a preview image in a camera photographing region when a start command for a camera of the user terminal is received; if the preview image contains a face element, acquiring the environmental parameters of the preview image wherein the parameters include: a sensitivity ISOvalue and/or a brightness contrast value; setting an image processing coefficient for the preview image according to the environment parameters; and using the image processing coefficient to performpreviewing on the preview image processing. The technical solutions in the embodiments of the present invention are beneficial to improving the flexibility of image processing.

The invention discloses a ceramic medium waveguide filter based on a capacitive cross coupling flying rod. The filter comprises a coupling membrane sheet and an adjustable flying rod. The coupling membrane sheet used for separating two cavity bodies and carrying out fine adjustment on coupling quantity is arranged between adjacent two cavity bodies. The adjustable flying rod used for adjusting thecapacitive coupling quantity between adjacent resonators is arranged between adjacent two resonance columns. The adjustable flying rod comprises a medium unit and a silver layer unit, wherein the medium unit and the silver layer are up-down connected and are adjustable in size. The silver layer unit is parallel to the plane formed by the resonance columns in the arranging direction. The exteriorof the silver layer unit is connected with an electric screw driver which is used for adjusting the area of the silver layer unit. According to the invention, the filter is novel in design, simple instructure and convenient and highly efficient to use and is characterized by convenient debugging and flexible and precise adjustment; capacitive coupling of multi-cavity cross coupling of three cavities and the like is achieved; excellent performance of the filter is ensured; cost is saved; the filter is safe and reliable; production efficiency and application effects are greatly improved; and more selections are provided for radio frequency engineers to design the filter.

The invention relates to a drilling machine used for electric power construction, and belongs to the technical field of construction equipment of a power supply station. The drilling machine comprises a frame installed with wheels. The frame is provided with an operation room. The operation room is internally provided with an electric control unit. An operation room housing is provided with an observation window and an alarm apparatus. The upper end face of the frame is provided with a first track. The first track is provided with a vertical support. The vertical support is provided with a second track. The second track is provided with a horizontal support. The horizontal support is provided with a third track. The third track is provided with a workbench. A spindle cabinet is installed on the workbench. The spindle cabinet is provided with a first drill stem and a second drill stem. The first drill stem is provided with a pressure sensor and a guiding-out groove. The first drill stem is connected with an arc drill bit. The second drill stem is connected with a conical drill bit. The internal of the second drill stem is provided with a dynamometrical bar. The first drill stem and the second drill stem are connected with a motor. The motor, the dynamometrical bar, and the pressure sensor are electrically connected with the electric control unit. The drilling machine can accurately grasp drilling strength, and a proper drill bit is used according to workplaces. The drilling machine is advantaged by convenient drill bit position adjustment and high working efficiency.

The embodiment of the invention provides a heat supply load prediction method and device. The method comprises the steps of: determining the indoor temperature prediction range of a target time periodaccording to current indoor environment parameters and an indoor temperature prediction model; and determining the heat supply load prediction range of the target time period according to the indoortemperature prediction range, the outdoor prediction environment parameters of the target time period and a heat supply load prediction model. With the heat supply load prediction method and device ofthe invention adopted, heat supply load can be changed into a heat supply load interval from a traditional load curve on the premise of meeting the comfort requirement of a human body, so that totalheat supply load has elasticity in each time period, and therefore, the peak regulation of a thermoelectric unit can be more accurate and flexible.

This invention discloses a conversion method for the favorite TV picture color space including the following steps: first of all, selecting the armed color sphere including a brightness sphere, a tone sphere and a saturation sphere, then setting corresponding target color sphere to test the color information of each pixel in the input image signals and convert it to the corresponding target color sphere when it belongs to the armed color sphere then to output the determined processed image signals.

The invention discloses a multi-channel single-head unwinding device which comprises a rack, a plurality of unwinding assemblies and a deviation rectifying assembly, placing frames are arranged on the rack, the placing frames are distributed in a staggered mode, each placing frame is provided with the multiple unwinding assemblies, and each unwinding assembly comprises an unwinding frame, an unwinding shaft and a brake mechanism. The brake mechanism is arranged on the unwinding frame, the unwinding shaft is connected with the brake mechanism, and a coiled material is arranged on the unwinding shaft; and the deviation rectifying assembly comprises deviation rectifying drivers and a linear sliding rail, the linear sliding rail is arranged on the placing frame, each deviation rectifying driver is connected with the corresponding unwinding frame, and the deviation rectifying drivers drive the unwinding frames connected with the deviation rectifying drivers to linearly move along the linear sliding rail. According to the multi-channel single-head unwinding device, multi-channel unwinding and independent control are achieved, the unwinding efficiency and the space utilization rate are improved, and adjustment is more flexible and accurate.

The invention discloses a machining device for an anti-skid composite steel plate. The machining device for the anti-skid composite steel plate comprises a bottom box, wherein two symmetrical supporting legs are fixedly installed at the bottom of the bottom box; a stand column is fixedly installed on the right side of the bottom box; sliding rails are fixedly installed on the inner walls of the left side and the right side of the bottom box correspondingly; sliding blocks are slidably connected to the sides, close to each other, of the two sliding rails correspondingly; a supporting plate is fixedly installed between the two sliding blocks; two symmetrical electric push rods are fixedly installed on the inner bottom wall of the bottom box; the output ends of the two electric push rods are fixedly connected with the bottom of the supporting plate; six bearing frames are fixedly installed on the top of the supporting plate; each bearing frame is provided with a rotating rod; the outer surfaces of the rotating rods are fixedly sleeved with conveying wheels and belt wheels; belts are connected among the six belt wheels; a through hole is formed in the top of the bottom box; a vertical groove is formed in the front face of the bottom box; and the front face of the rotating rod at the left end sequentially penetrates through the bearing frame and the vertical groove and is fixedly provided with a first handle. The machining device for the anti-skid composite steel plate provided by the invention is compact in structure and easy to operate, and the machining efficiency of the anti-skid composite steel plate is improved.

The invention proposes a novel vacuum cupping device which can easily adjust the suction force. The negative pressure in the tank body is continuously enhanced by pulling the pull rod with the knob nut to lift the rubber disc, thereby achieving the effect of cupping. And the air pressure can be adjusted by rotating the knob nut, which is easy, simple, fast and accurate, and is conducive to improving the therapeutic effect.

The invention provides a method, system and device for identifying a parking station based on a passive radio beacon. The range of the parking station is identified by a broadcast signal sent by a passive radio beacon device arranged at the parking station, and when a user needs to park a target vehicle, a scanning communication device starts signal scanning to identify whether the broadcast signal sent by the passive radio beacon device exists around or not; when the broadcast signal transmitted by the passive radio beacon device is identified, the scanning communication device judges that the target vehicle enters the range of the parking station identified by the passive radio beacon device, and sends prompt information to the user to guide the user to park the target vehicle into the parking station.

The invention discloses a plastic extruding machine for plastic welding. The plastic extruding machine comprises a melting device. The melting device comprises a main motor, a material conveying hopper, a heating pipe, a material conveying screw and a plastic forming mold. A position adjusting device used for adjusting the position of the melting device is arranged on the lower portion of the melting device. The position adjusting device comprises a fine adjustment device used for adjusting the front-back position of the melting device, an angle adjusting device used for adjusting the included angle between the axis of the heating pipe and the horizontal line, a rough adjustment device used for adjusting the front-back position and the left-right position of the melting device, and a transmission device used for making the whole plastic extruding machine to move. The position of the plastic forming mold relative to a welding joint can be adjusted conveniently, flexibly and accurately, and the plastic extruding machine is suitable for plastic welding and used is used for crushing, softening, melting, exhausting and extruding of plastics.

The invention provides a spiral adjustable thermoelastic carding device, a carding cover plate and a carding machine. The spiral adjustable thermoelastic carding device comprises a carding needle, a spiral spring and a base, the carding needle is positioned above the spiral spring, the upper end of the spiral spring is connected with the bottom of the carding needle, the lower end of the spiral spring is fixed in the base, a base cloth is arranged above the base, the base cloth transversely penetrates through a spring gap of the spiral spring, an electric heating ceramic sheet is arranged inside the base, the electric heating ceramic sheet is connected with the spiral spring, and a transmission gear is arranged below the base. The spiral adjustable thermoelastic carding device has the beneficial effects that comb needles are heated through the electrothermal ceramic sheet, thus, when the comb needles comb fibers, the fibers soften and the rigidity is reduced, the carding efficiency andquality can be improved, and the fiber straightening parallelism can be improved; and the spiral spring is arranged at the lower ends of the comb needles, so that the action force of the fibers can be effectively buffered by the comb needles in the combing process, and damage of the comb needles to the fibers is reduced.

The invention belongs to the technical field of bridge construction, and particularly relates to an assembly type segmental box girder support-free suspension and locking construction method which comprises the steps that (1) a suspension beam is placed and fixed to the top face of a pier top zero block, and a screw jack and a three-way jack are arranged at the two ends of the suspension beam; (2)a hanging support is installed on the first pair of prefabricated section box girders in advance, and the first pair of prefabricated section box girders is hoisted to a screw jack; (3) measuring theposition of the prefabricated segment box girder, replacing a screw jack with a three-way jack to support the first pair of prefabricated segment box girders, and adjusting the prefabricated segmentbox girders with the three-way jack; (4) mounting a wet joint template; (5) pouring a wet joint; (6) tensioning the first pair of prefabricated section box girders; and (7) dismounting and transferring the hanging support and the hanging beam. The fixed installation of the prefabricated segmental beam is not limited by high piers and complex geological conditions, and the fixed installation of theprefabricated segmental beam can be used in a large range.